/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	highScore: 0,
	unlockedCows: [0]
});

/**** 
* Classes
****/ 
var Collectible = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type || 'coin';
	self.value = self.type === 'coin' ? 10 : 50;
	var graphics = self.attachAsset(self.type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = graphics.width;
	self.height = graphics.height;
	self.active = true;
	self.reset = function (y) {
		self.y = y || -self.height;
		// Position collectible between river banks
		var minX = 250;
		var maxX = 2048 - 250 - self.width;
		self.x = minX + Math.random() * (maxX - minX);
	};
	self.update = function () {
		self.y += river.speed;
		// Rotate coins
		if (self.type === 'coin') {
			graphics.rotation += 0.05;
		}
		// Flash power-ups
		if (self.type === 'powerup' && LK.ticks % 10 === 0) {
			tween(graphics, {
				alpha: graphics.alpha < 1 ? 1 : 0.6
			}, {
				duration: 200
			});
		}
		// Check if collectible is off screen
		if (self.y > 2732 + self.height) {
			self.active = false;
		}
	};
	self.collect = function () {
		self.active = false;
		if (self.type === 'powerup') {
			// Apply power-up effect
			player.invincible = true;
			// Set player to flash
			var flashInterval = LK.setInterval(function () {
				player.alpha = player.alpha < 1 ? 1 : 0.5;
			}, 200);
			// End invincibility after 5 seconds
			LK.setTimeout(function () {
				player.invincible = false;
				player.alpha = 1;
				LK.clearInterval(flashInterval);
			}, 5000);
		}
		// Play collection sound
		LK.getSound('collect').play();
		// Add points
		LK.setScore(LK.getScore() + self.value);
		updateScoreText();
	};
	self.reset();
	return self;
});
var Obstacle = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type || 'rock';
	var graphics = self.attachAsset(self.type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = graphics.width;
	self.height = graphics.height;
	self.active = true;
	self.reset = function (y) {
		self.y = y || -self.height;
		// Position obstacle between river banks
		var minX = 250;
		var maxX = 2048 - 250 - self.width;
		self.x = minX + Math.random() * (maxX - minX);
	};
	self.update = function () {
		self.lastType = self.type; // Track the type of obstacle for jump scare
		self.y += river.speed;
		// Add behavior for enemy cow
		if (self.type === 'enemyCow') {
			self.x += Math.sin(LK.ticks / 20) * 5; // Move enemy cow in a wave pattern
		}
		// Check if obstacle is off screen
		if (self.y > 2732 + self.height) {
			self.active = false;
		}
	};
	self.reset();
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	// Create kayak
	var kayak = self.attachAsset('kayak', {
		anchorX: 0.5,
		anchorY: 0.5,
		y: 20
	});
	// Create cow
	var cow = self.attachAsset('cow', {
		anchorX: 0.5,
		anchorY: 0.5,
		y: -10
	});
	self.width = kayak.width;
	self.height = kayak.height + cow.height - 20; // Overlap adjustment
	self.invincible = false;
	self.dead = false;
	self.reset = function () {
		self.x = 2048 / 2;
		self.y = 2732 - 300;
		self.dead = false;
		self.invincible = false;
		self.alpha = 1;
	};
	self.die = function () {
		if (self.invincible || self.dead) {
			return;
		}
		self.dead = true;
		LK.getSound('hit').play();
		// Jump scare effect with obstacle asset
		var jumpScare = LK.getAsset(self.type, {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 / 2,
			y: 2732 / 2,
			scaleX: 3,
			scaleY: 3
		});
		game.addChild(jumpScare);
		LK.effects.flashObject(jumpScare, 0xFFFFFF, 500, function () {
			jumpScare.destroy();
		});
		LK.effects.flashScreen(0xFF0000, 500);
		// Show game over after a short delay
		LK.setTimeout(function () {
			// Save high score if needed
			if (LK.getScore() > storage.highScore) {
				storage.highScore = LK.getScore();
			}
			LK.showGameOver();
		}, 1000);
	};
	return self;
});
var River = Container.expand(function () {
	var self = Container.call(this);
	var waterGraphics = self.attachAsset('water', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1024,
		y: 1366
	});
	var leftBank = self.attachAsset('riverbank', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0
	});
	var rightBank = self.attachAsset('riverbank', {
		anchorX: 1,
		anchorY: 0,
		x: 2048,
		y: 0
	});
	self.speed = 5;
	self.maxSpeed = 15;
	self.increaseSpeed = function (amount) {
		self.speed = Math.min(self.maxSpeed, self.speed + amount);
	};
	return self;
});
var SpeedBoost = Container.expand(function () {
	var self = Container.call(this);
	self.type = 'speedBoost';
	var graphics = self.attachAsset('powerup', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = graphics.width;
	self.height = graphics.height;
	self.active = true;
	self.reset = function (y) {
		self.y = y || -self.height;
		var minX = 250;
		var maxX = 2048 - 250 - self.width;
		self.x = minX + Math.random() * (maxX - minX);
	};
	self.update = function () {
		self.y += river.speed;
		if (LK.ticks % 10 === 0) {
			tween(graphics, {
				alpha: graphics.alpha < 1 ? 1 : 0.6
			}, {
				duration: 200
			});
		}
		if (self.y > 2732 + self.height) {
			self.active = false;
		}
	};
	self.collect = function () {
		self.active = false;
		river.increaseSpeed(5);
		LK.setTimeout(function () {
			river.increaseSpeed(-5);
		}, 5000);
		LK.getSound('collect').play();
		LK.setScore(LK.getScore() + 100);
		updateScoreText();
	};
	self.reset();
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1E90FF
});

/**** 
* Game Code
****/ 
var player;
var river;
var obstacles = [];
var collectibles = [];
var dragNode = null;
var gameStarted = false;
var difficultyTimer;
var obstacleTimer;
var collectibleTimer;
var scoreText;
var highScoreText;
var distanceText;
var distance = 0;
function initGame() {
	// Create river
	river = game.addChild(new River());
	// Create player
	player = game.addChild(new Player());
	player.reset();
	// Reset game variables
	LK.setScore(0);
	obstacles = [];
	collectibles = [];
	gameStarted = false;
	distance = 0;
	// Create interface
	createInterface();
	// Start river sound
	LK.playMusic('riverSound');
}
function createInterface() {
	// Create score text
	scoreText = new Text2('SCORE: 0', {
		size: 60,
		fill: 0xFFFFFF
	});
	scoreText.anchor.set(0, 0);
	LK.gui.topRight.addChild(scoreText);
	scoreText.x = -scoreText.width - 20;
	scoreText.y = 20;
	// Create high score text
	highScoreText = new Text2('HIGH SCORE: ' + storage.highScore, {
		size: 40,
		fill: 0xFFFFFF
	});
	highScoreText.anchor.set(0, 0);
	LK.gui.topRight.addChild(highScoreText);
	highScoreText.x = -highScoreText.width - 20;
	highScoreText.y = scoreText.y + scoreText.height + 10;
	// Create distance text
	distanceText = new Text2('DISTANCE: 0m', {
		size: 50,
		fill: 0xFFFFFF
	});
	distanceText.anchor.set(0, 0);
	LK.gui.top.addChild(distanceText);
	distanceText.y = 20;
	// Create start message
	if (!gameStarted) {
		var startMessage = new Text2('TAP TO START PADDLING!', {
			size: 80,
			fill: 0xFFFFFF
		});
		startMessage.anchor.set(0.5, 0.5);
		LK.gui.center.addChild(startMessage);
		// Animate start message
		tween(startMessage, {
			alpha: 0.5
		}, {
			duration: 800,
			easing: tween.sinInOut,
			onFinish: function onFinish() {
				tween(startMessage, {
					alpha: 1
				}, {
					duration: 800,
					easing: tween.sinInOut,
					onFinish: function onFinish() {
						if (!gameStarted) {
							// Recursively continue animation until game starts
							tween(startMessage, {
								alpha: 0.5
							}, {
								duration: 800,
								easing: tween.sinInOut
							});
						} else {
							startMessage.destroy();
						}
					}
				});
			}
		});
	}
}
function updateScoreText() {
	scoreText.setText('SCORE: ' + LK.getScore());
}
function startGame() {
	if (gameStarted) {
		return;
	}
	gameStarted = true;
	// Start spawning obstacles
	obstacleTimer = LK.setInterval(function () {
		spawnObstacle();
	}, 1500);
	// Start spawning collectibles
	collectibleTimer = LK.setInterval(function () {
		var rand = Math.random();
		if (rand < 0.6) {
			spawnCollectible('coin');
		} else if (rand < 0.9) {
			spawnCollectible('powerup');
		} else {
			spawnCollectible('speedBoost');
		}
	}, 2000);
	// Increase difficulty over time
	difficultyTimer = LK.setInterval(function () {
		river.increaseSpeed(0.5);
	}, 10000);
}
function spawnObstacle() {
	var types = ['rock', 'log', 'predator', 'enemyCow'];
	var type = types[Math.floor(Math.random() * types.length)];
	var obstacle = new Obstacle(type);
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
function spawnCollectible(type) {
	var collectible = new Collectible(type);
	collectibles.push(collectible);
	game.addChild(collectible);
}
function handleMove(x, y) {
	if (dragNode) {
		// Constrain player to river
		var minX = 250 + player.width / 2;
		var maxX = 2048 - 250 - player.width / 2;
		dragNode.x = Math.max(minX, Math.min(maxX, x));
	}
}
function checkCollisions() {
	if (player.dead) {
		return;
	}
	// Check obstacle collisions
	for (var i = obstacles.length - 1; i >= 0; i--) {
		var obstacle = obstacles[i];
		if (obstacle.active && player.intersects(obstacle)) {
			player.type = obstacle.type; // Pass obstacle type to player for jump scare
			player.die();
			break;
		}
	}
	// Check collectible collisions
	for (var j = collectibles.length - 1; j >= 0; j--) {
		var collectible = collectibles[j];
		if (collectible.active && player.intersects(collectible)) {
			collectible.collect();
			collectibles.splice(j, 1);
		}
	}
	// Check SpeedBoost collisions
	for (var k = collectibles.length - 1; k >= 0; k--) {
		var speedBoost = collectibles[k];
		if (speedBoost.type === 'speedBoost' && speedBoost.active && player.intersects(speedBoost)) {
			speedBoost.collect();
			collectibles.splice(k, 1);
		}
	}
}
function cleanupInactiveObjects() {
	// Remove inactive obstacles
	for (var i = obstacles.length - 1; i >= 0; i--) {
		if (!obstacles[i].active) {
			obstacles[i].destroy();
			obstacles.splice(i, 1);
		}
	}
	// Remove inactive collectibles
	for (var j = collectibles.length - 1; j >= 0; j--) {
		if (!collectibles[j].active) {
			collectibles[j].destroy();
			collectibles.splice(j, 1);
		}
	}
}
// Event handlers
game.down = function (x, y) {
	if (!gameStarted) {
		startGame();
	}
	dragNode = player;
	handleMove(x, y);
};
game.up = function () {
	dragNode = null;
};
game.move = function (x, y) {
	handleMove(x, y);
};
// Game update function
game.update = function () {
	if (!gameStarted) {
		return;
	}
	// Update obstacles
	for (var i = 0; i < obstacles.length; i++) {
		obstacles[i].update();
	}
	// Update collectibles
	for (var j = 0; j < collectibles.length; j++) {
		collectibles[j].update();
	}
	// Check collisions
	checkCollisions();
	// Clean up inactive objects
	cleanupInactiveObjects();
	// Update distance traveled
	distance += river.speed / 20;
	distanceText.setText('DISTANCE: ' + Math.floor(distance) + 'm');
};
// Initialize game
initGame();

===================================================================
--- original.js
+++ change.js
@@ -186,8 +186,50 @@
 		self.speed = Math.min(self.maxSpeed, self.speed + amount);
 	};
 	return self;
 });
+var SpeedBoost = Container.expand(function () {
+	var self = Container.call(this);
+	self.type = 'speedBoost';
+	var graphics = self.attachAsset('powerup', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.width = graphics.width;
+	self.height = graphics.height;
+	self.active = true;
+	self.reset = function (y) {
+		self.y = y || -self.height;
+		var minX = 250;
+		var maxX = 2048 - 250 - self.width;
+		self.x = minX + Math.random() * (maxX - minX);
+	};
+	self.update = function () {
+		self.y += river.speed;
+		if (LK.ticks % 10 === 0) {
+			tween(graphics, {
+				alpha: graphics.alpha < 1 ? 1 : 0.6
+			}, {
+				duration: 200
+			});
+		}
+		if (self.y > 2732 + self.height) {
+			self.active = false;
+		}
+	};
+	self.collect = function () {
+		self.active = false;
+		river.increaseSpeed(5);
+		LK.setTimeout(function () {
+			river.increaseSpeed(-5);
+		}, 5000);
+		LK.getSound('collect').play();
+		LK.setScore(LK.getScore() + 100);
+		updateScoreText();
+	};
+	self.reset();
+	return self;
+});
 
 /**** 
 * Initialize Game
 ****/ 
@@ -306,12 +348,15 @@
 		spawnObstacle();
 	}, 1500);
 	// Start spawning collectibles
 	collectibleTimer = LK.setInterval(function () {
-		if (Math.random() < 0.7) {
+		var rand = Math.random();
+		if (rand < 0.6) {
 			spawnCollectible('coin');
-		} else {
+		} else if (rand < 0.9) {
 			spawnCollectible('powerup');
+		} else {
+			spawnCollectible('speedBoost');
 		}
 	}, 2000);
 	// Increase difficulty over time
 	difficultyTimer = LK.setInterval(function () {
@@ -358,8 +403,16 @@
 			collectible.collect();
 			collectibles.splice(j, 1);
 		}
 	}
+	// Check SpeedBoost collisions
+	for (var k = collectibles.length - 1; k >= 0; k--) {
+		var speedBoost = collectibles[k];
+		if (speedBoost.type === 'speedBoost' && speedBoost.active && player.intersects(speedBoost)) {
+			speedBoost.collect();
+			collectibles.splice(k, 1);
+		}
+	}
 }
 function cleanupInactiveObjects() {
 	// Remove inactive obstacles
 	for (var i = obstacles.length - 1; i >= 0; i--) {